Syria Launches New Attacks, as U.N. Places Toll at 60,000

BEIRUT—Syria's military launched new offensives around the country including an airstrike on a gas station outside Damascus on Wednesday that killed dozens, damping a recent surge in rebel momentum.

The United Nations on Wednesday dramatically increased its death toll for the Syrian conflict, saying it had documented the names and circumstance of death for some 60,000 people killed there since March 2011. Also Wednesday, the family of...